AMRON ARTHUR H purchased 21.2% of their position (10K shares) of MAMMOTH ENERGY SERVICES, INC. on the open market
Open‑market purchase worth $18.9K — a significant purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 12/15/2025ACC: 0001628280-25-057101
Director
Since Jan 2019
+10K
Net shares
Net buyer
$18.9K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
10K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+10K
Price / share
$1.89
Trade value
$18.90K
% of position
21.2%
12/11/2025
47.13K→57.13K
Total
Net shares
+10K
Net value
$18.90K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 12/11/2025 | P · Purchase | +10K | $1.89 | $18.90K | 21.2% | 47.13K | 57.13K |
| Total | +10K | $18.90K | ||||||
Derivative Transactions0
No derivative transactions reported